#include<bits/stdc++.h>

using namespace std;

int main() {
    char a[100];
    char b[100] = "dbc";
    char c[100] = {'a', 'b', 'c'};
    cout << a << endl;
    cout << b << endl;//abc
    cout << c << endl;
    b[1]++;
    cout << b << endl;//acc
    b[0] = b[0] - 'a' + 'A';
    cout << b << endl;//Acc
    cin >> a;
    cout << a << endl;
    for (int i = 0; i < strlen(a); i++) {
        cout << a[i] << " ";
    }
    return 0;
}
